21 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... • Aggressive lesion ... blastic metastatic lesion ... #Bony #Differential ... #msk #lesions #
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
other aggressive lesion ... - punched out lesions ... • Aggressive lesion ... #Bone #Tumors #Lesions ... #XRay #MSK #pediatrics
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions ... Infections in HIV
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Papules & Mucosal Lesions ... rash) • Primary HIV ... Septic Bursitis • Abscess ... #JointPain #MSK
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
geographic, lucent lesion ... cortically based lesion ... • Do Not Touch lesions ... Diagnose with X-RAY ... Differential diagnosis
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
and infects the CNS ... cells in the CNS ... bilateral white matter lesions ... lesions, which ... Diagnosis: MRI
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Space occupying lesions ... Brain tumor • Lesions ... : Brain abscess ... Lesions Of The Peripheral ... EMG) studies • MRI
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
cord neurological lesion ... the site of a lesion ... Corticospinal Tract Lesions ... Infections: - ... 5 levels below lesion
Osteochondral Lesion of the Talus - MSK Radiology
Imaging Findings:
 • Typical location of the osteochondral defect
Osteochondral Lesion ... Osteochondral lesion ... acute/subacute lesions ... Differential diagnosis ... Insufficiency Fracture